| # Copyright 2019 Gentoo Authors |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| import errno |
| import os |
| import platform |
| |
| import portage.process |
| from portage.const import BASH_BINARY |
| from portage.tests import TestCase |
| |
| CLONE_NEWNET = 0x40000000 |
| |
| UNSHARE_NET_TEST_SCRIPT = """ |
| ping -c 1 -W 1 127.0.0.1 || exit 1 |
| ping -c 1 -W 1 10.0.0.1 || exit 1 |
| [[ -n ${IPV6} ]] || exit 0 |
| ping -c 1 -W 1 ::1 || exit 1 |
| ping -c 1 -W 1 fd::1 || exit 1 |
| """ |
| |
| class UnshareNetTestCase(TestCase): |
| |
| def testUnshareNet(self): |
| |
| if platform.system() != 'Linux': |
| self.skipTest('not Linux') |
| if portage.process.find_binary('ping') is None: |
| self.skipTest('ping not found') |
| |
| errno_value = portage.process._unshare_validate(CLONE_NEWNET) |
| if errno_value != 0: |
| self.skipTest("Unable to unshare: %s" % ( |
| errno.errorcode.get(errno_value, '?'))) |
| |
| env = os.environ.copy() |
| env['IPV6'] = '1' if portage.process._has_ipv6() else '' |
| self.assertEqual(portage.process.spawn([BASH_BINARY, '-c', UNSHARE_NET_TEST_SCRIPT], unshare_net=True, env=env), 0) |
